Gemmology Today feature an article about GemPen® Darkroom by Leone Langeslag

Follow the link below to read an article by Leone Langeslag, CEO of the Dutch Gem Academy about working with GemPen® Darkroom! Find on pages: 77-81

If you love gemmology & gem photography you will be amazed by the articles and images featured within. Enjoy!

Read ‘Gemmology Today’ online for FREE here:

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